Though specifically designed for use on stainless steel, Model 35S tubing cutter cuts copper, steel, and aluminum tubing. It has ergonomic X-CEL knob and roller bearings that minimize friction while optimizing cutting speed. Constructed of hardened steel, Models 227S and 223S inner-outer reamers include integrated measurement tools. Model 227S has 45 cutting edges to allow for inner reaming and outer deburring or beveling of 1/2–2 in. tubing. Model 223S has 36 cutting edges.